*SUPPORT*
IN: dax wif gazzer OUT: PINK GREEN GREEN
IN: wif fep OUT: GREEN RED
IN: dax gazzer zup OUT: PINK PINK PINK PINK PINK PINK PINK PINK
IN: tufa gazzer OUT: PURPLE PURPLE
IN: fep tufa OUT: RED PURPLE
IN: dax lug fep OUT: RED RED PINK
IN: dax OUT: PINK
IN: dax dax lug tufa OUT: PINK PURPLE PURPLE PINK
IN: dax gazzer OUT: PINK PINK
IN: dax lug wif OUT: GREEN GREEN PINK
IN: wif gazzer OUT: GREEN GREEN
IN: fep gazzer OUT: RED RED
IN: tufa dax dax gazzer OUT: PURPLE PINK PINK PINK
IN: tufa wif lug fep OUT: PURPLE RED RED GREEN

*QUERY*
IN: wif lug dax OUT: PINK PINK GREEN
IN: wif lug tufa OUT: PURPLE PURPLE GREEN
IN: wif lug wif OUT: GREEN GREEN GREEN
IN: tufa fep tufa OUT: PURPLE RED PURPLE
IN: tufa OUT: PURPLE
IN: fep fep tufa lug tufa OUT: RED RED PURPLE PURPLE PURPLE
IN: fep OUT: RED
IN: wif gazzer zup OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: wif OUT: GREEN
IN: fep tufa gazzer OUT: RED PURPLE PURPLE

*GRAMMAR*
tufa -> PURPLE 
 wif -> GREEN 
 dax -> PINK 
 fep -> RED 
 u1 gazzer -> [u1] [u1] 
 u1 lug u2 -> [u2] [u2] [u1] 
 x1 zup -> [x1] [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 